Study

Crude Oil and Cracking

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  • Is hexene and alkane or an alkene?
    Alkene (ends in -ene)
  • Crude oil is split into hydrocarbons of different chain lengths through _____________ distilation
    Fractional
  • Are alkanes saturated or unsaturated?
    Saturated
  • A liquid turned bromine water colourless, was it an alkane or an alkene?
    Alkene
  • Is crude oil a renewable or finite resource?
    Finite
  • Why is cracking necessary?
    To make more useful molecules
  • What is crude oil a mixture of?
    Hydrocarbons of different chain lengths
  • Name something we can make from alkenes.
    Polymers or other chemicals
  • What does bromine water test for?
    C=C/unsaturation
  • What is a finite resource?
    A resource that will run out
  • Simple distillation is the splitting up of a mixture that has different ___________ points
    Boiling
  • What is a hydrocarbon?
    A molecule made of hydrogen and carbon only
  • Is propane an alkane or an alkene?
    Alkane
  • On food labels we see saturated and unsaturated fats. Which fats have carbon carbon double bonds? (C=C)
    unsaturated
  • Name a use of the hydrocarbons from crude oil.
    Tarmacing roads, Jet fuels, car fuel, for cooking (gas hob etc)
  • Cracking splits up long chain alkanes into .......
    smaller alkanes AND alkenes